CN111546064A - Special processing machine tool for waterwheel combined type water meter shell and gate valve - Google Patents

Abstract

The invention belongs to the technical field of part processing machines, and particularly relates to a processing machine tool special for a waterwheel combined type water meter shell and a gate valve, which comprises a bedstead, a rotary table and a plurality of processing main shafts, wherein the rotary table is arranged on the bedstead; the rotary table rotates along the vertical surface, a plurality of working clamps are uniformly distributed in the circumferential direction of the rotary table, and the working clamps are used for clamping workpieces to be machined; the processing main shafts are distributed along the circumferential direction of the rotary table and are used for processing workpieces to be processed on the working clamp; the turntable is linked with the working fixtures, so that the working fixtures sequentially correspond to the processing spindles, and the processed finished product of the workpiece to be processed is a water meter shell or a gate valve and is provided with an inclined drilling hole; the main shaft inclination angle adjusting mechanism is arranged on the bedstead and used for adjusting the processing inclination angle of the processing main shaft. The invention aims at the processing main shaft of the inclined drilling hole to be provided with the main shaft inclination angle adjusting mechanism, realizes the adjustment of the processing inclination angle, is convenient for the integrated processing and forming of the water meter shell and the gate valve, and has high processing efficiency.

Description

A special processing machine tool for a waterwheel composite water meter case and a gate valve

technical field

The invention belongs to the technical field of parts processing machine tools, and in particular relates to a special processing machine tool for a waterwheel composite water meter case and a gate valve.

Background technique

With the increasing complexity of valve products, the continuous improvement of processing machine tools is required to meet the processing requirements of valve products. For example, the patent document with the publication number of CN110116312A discloses an upside-down waterwheel, which includes a bed frame, a hydraulic gear-type dividing table is suspended in the bed frame, and a main shaft is installed below the oil-pressure tooth-type dividing table. The outer peripheral sleeve is provided with a shaft sleeve, which is tightly connected with the lower end face of the hydraulic gear-type dividing table. A number of load-bearing springs are arranged between the main shaft and the shaft sleeve for converting the tension into pressure, and the load-bearing springs are in contact with the main shaft. Between the lower end face of the outer edge and the upper end face of the inner edge of the shaft sleeve; through the design of the upside-down waterwheel, the hydraulic tooth-type dividing table is suspended in the bed frame, and there is no supporting structure below, so that more power heads can be installed The Hezhan cutter head has ten processing stations. For complex valve products, the upside-down waterwheel can complete the overall processing with high efficiency and good precision.

However, the existing processing machine tools can no longer meet the processing requirements of the current valve structure, especially the valve structure with oblique drilling holes, such as water meter casings, gate valves and other products. The existing processing machine tools cannot adjust the inclination angle of the processing spindle. This leads to additional processing of oblique drilling, and the processing efficiency is low.

SUMMARY OF THE INVENTION

Based on the above-mentioned deficiencies in the prior art, the present invention provides a special processing machine tool for a waterwheel composite water meter case and a gate valve.

In order to achieve the above-mentioned purpose of the invention, the present invention adopts the following technical solutions:

A special processing machine tool for a waterwheel composite water meter case and a gate valve, comprising a bed frame, a turntable mounted on the bed frame, and a plurality of processing spindles; Clamp the workpiece to be processed; the machining spindle is distributed along the circumference of the turntable, and the machining spindle is used to process the workpiece to be machined on the working fixture; The finished product is a water meter case or a gate valve, and has an oblique drill hole; the processing spindle corresponding to the oblique drill hole is equipped with a spindle inclination adjustment mechanism, which is installed on the bed frame and used to adjust the machining inclination of the machining spindle. .

As a preferred solution, the main shaft inclination adjustment mechanism includes a base installed on the bed frame, two mounting plates installed on both sides of the base, an adjustment pipe, and a first threaded rod and a second threaded rod respectively threaded with both ends of the adjustment pipe. Two threaded rods, two mounting plates are respectively located on both sides of the machining spindle, the two mounting plates have opposite guide arc holes, the guide arc holes correspond to the screws one-to-one, and the screws pass through the corresponding guide arc holes to be fixedly connected with the machining spindle ; The first threaded rod is connected with the machining spindle through a rotating pair, and the second threaded rod is connected with the base through a rotating pair; Loosen the screw and rotate the adjusting tube to make the first threaded rod and the second threaded rod move closer to or away from each other, The linkage machining spindle is rotatably matched with the bed frame, and the screw is movably matched with the guide arc hole.

As a preferred solution, there are multiple guide arc holes, all of which are distributed along the machining spindle to match the movement trajectory of the bed frame.

As a preferred solution, the spindle inclination adjustment mechanism further includes an encoder, the encoder is used to measure the rotation angle of the machining spindle, and the encoder is installed on any mounting plate.

As a preferred solution, the main shaft inclination adjustment mechanism further includes two pressure bars and an adjustment rod, the two pressure bars are installed parallel to the bed frame along the horizontal direction, the base is limited between the two pressure bars, and the base can move along the extension direction of the pressure bars, and the adjustment rod It is fixedly connected with the base to adjust the movement of the base along the extension direction of the bead.

As a preferred solution, the main shaft inclination adjustment mechanism further includes a linear displacement sensor, and the linear displacement sensor is connected with the base through a rotating pair.

As a preferred solution, the regulating tube is a hexagonal regulating tube.

As a preferred solution, the number of the working fixtures is eight, and each working fixture corresponds to one workstation.

As a preferred solution, when the finished product is a water meter case, the first station is the feeding position, and along the processing sequence of the water meter case, a machining spindle with a forming knife and a third station are arranged on both sides and at the top of the second station. The two sides of the machine are equipped with a machining spindle with a drill bit, and the top is equipped with a machining spindle with a forming knife. The top of the fourth station is equipped with a machining spindle with an outer edge grooving knife. The fifth station is vacant, and the sides and top of the sixth station are A machining spindle with a combination of a flat rotary disc and a thread cutter is arranged, a machining spindle with a reamer is arranged on both sides of the seventh station, and a machining spindle with a drill is arranged on the top of the eighth station; machining on both sides of the third station The main shaft and the processing main shaft on both sides of the seventh station are equipped with a main shaft inclination angle adjustment mechanism.

As a preferred solution, when the finished product is a gate valve, the first station is the material loading position, and along the processing sequence of the gate valve, a machining spindle with a forming knife and two sides of the third station are arranged on both sides and at the top of the second station. A machining spindle with a drill bit is arranged on the side and a machining spindle with a forming knife is arranged on the top. The top of the fourth station is arranged with a machining spindle with an outer edge grooving tool. The two sides and top of the station are equipped with a machining spindle with a combination of a flat rotary disk and a thread cutter, the seventh station is empty, and the top of the eighth station is equipped with a machining spindle with a drill bit; the third station is on both sides of the machining spindle Equipped with a spindle inclination adjustment mechanism.

Compared with the prior art, the present invention has the following beneficial effects:

The waterwheel composite water meter case and the gate valve special processing machine tool of the present invention is equipped with a spindle inclination adjustment mechanism for the processing spindle of the oblique drilling, so as to realize the adjustment of the processing inclination, facilitate the integrated processing and molding of the water meter case and the gate valve, and have high processing efficiency.

Description of drawings

1 is a structural model diagram of a waterwheel composite water meter case and a special processing machine tool for a gate valve according to Embodiment 1 of the present invention;

2 is a structural model diagram of the other side of the waterwheel composite water meter case and the special processing machine tool for the gate valve according to the first embodiment of the present invention;

Fig. 3 is the model diagram of the third station processing the water meter case of the waterwheel composite water meter case and the gate valve special processing machine tool according to the first embodiment of the present invention;

4 is a structural model diagram of the seventh station processing the water meter case of the waterwheel composite water meter case and the gate valve special processing machine tool according to the first embodiment of the present invention;

5 is a schematic structural diagram of a waterwheel composite water meter case and a special processing machine tool for a gate valve according to Embodiment 1 of the present invention;

6 is a schematic structural diagram of a main shaft inclination adjustment mechanism according to Embodiment 1 of the present invention;

7 is a schematic structural diagram of the other side of the main shaft inclination adjustment mechanism according to the first embodiment of the present invention;

8 is a schematic structural diagram of the other side of the main shaft inclination adjustment mechanism according to the first embodiment of the present invention.

Detailed ways

In order to describe the embodiments of the present invention more clearly, the following will describe specific embodiments of the present invention with reference to the accompanying drawings. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative efforts, and obtain other implementations. In addition, the directional terms mentioned in the following embodiments, such as: up, down, left, right, front or rear, etc., only refer to the directions of the drawings. Accordingly, the directional terms used are illustrative and not limiting of the present invention.

Example 1:

The waterwheel composite water meter case and the special processing machine tool for the gate valve of this embodiment can be applied to the processing of the water meter case and the gate valve, and the application range is wide.

First, the processing of a water watch case will be described in detail as an example.

As shown in Figures 1-5, the special processing machine tool for a waterwheel composite water meter case and a gate valve in this embodiment includes a bed frame a, a turntable mounted on the bed frame, and several machining spindles.

Among them, the turntable rotates along the vertical plane, and eight work fixtures are evenly distributed in its circumferential direction.

The working fixture is used to hold the workpiece to be processed, that is, the water meter case blank. Each working fixture corresponds to a work station, so that each process can be processed in sequence according to the processing technology of the water meter case.

The machining spindles are distributed along the circumference of the turntable, that is, the machining spindles are arranged corresponding to each station, and are used for machining the water meter case blank on the working fixture. Specifically, as shown in Figures 1 and 2, the processing sequence designed along the processing technology of the water meter case sequentially includes a first station 1, a second station 2, a third station 3, a fourth station 4, and a fifth station. Position 5, sixth station 6, seventh station 7 and eighth station 8, each station will return to the initial position after one rotation, so as to cycle material feeding and discharging, and improve the processing efficiency of the water meter case.

The first station 1 is the feeding position and the discharging position, which are used for feeding the water meter case blank and discharging the water meter case.

The front and rear sides of the second station 2 are equipped with machining spindles 21 and 23 with forming knives for machining rough drilling inner holes, outer edges and chamfers; the top of the second station 2 is equipped with a machining spindle with forming knives 22, for drilling inner holes.

As shown in FIG. 3 , processing spindles 31 and 33 with drills are arranged on the front and rear sides of the third station 3 for processing rough and inclined drilling; the processing spindles on the front and rear sides of the third station 3 are arranged The spindle inclination adjustment mechanism is installed on the bed frame to adjust the machining inclination of the machining spindle, so as to realize the machining of rough and inclined drilling. In addition, the top of the third station 3 is equipped with a machining spindle 32 having a forming knife for machining inner holes and outer edges.

The top of the fourth station 4 is equipped with a machining spindle 42 having an outer edge groove cutter for cutting the outer edge groove.

The fifth station 5 is vacant.

The front and rear sides of the sixth station 6 are equipped with machining spindles 61 and 63 having a combination of a flat rotary disc and a thread cutter for threading. In addition, the top of the sixth station is equipped with a machining spindle 62 having a combination of a flat rotary disk and a thread cutter, which is used for finishing external threads.

As shown in FIG. 4 , processing spindles 71 and 73 with reamers are arranged on the front and rear sides of the seventh station 7 for fine reaming and oblique drilling. The processing spindles on the front and rear sides of the seventh station 7 are equipped with a spindle inclination adjustment mechanism. The main shaft inclination adjustment mechanism is installed on the bed frame and used to adjust the processing inclination of the processing spindle, so as to realize the finishing of the oblique drilling.

The top of the eighth station 8 is equipped with a machining spindle with a drill bit for fine drilling and chamfering.

The turntable is linked with the work fixtures, so that the work fixtures correspond to the machining spindles in sequence, so that the water meter case blanks on the work fixtures are sequentially processed to obtain the water meter case.

As shown in Figure 5, there are oblique drill holes on both sides of the water meter case, so the machining spindle corresponding to the oblique drill hole needs to be equipped with a spindle inclination adjustment mechanism A. For the specific configuration, refer to the above station settings.

Specifically, as shown in Figures 6-8, the main shaft inclination adjustment mechanism A includes:

The base b installed on the bed frame a;

Two mounting plates installed on the upper and lower sides of the base b, namely the upper mounting plate c and the lower mounting plate d;

an adjusting pipe e and a first threaded rod f and a second threaded rod g respectively threaded with both ends of the adjusting pipe;

Among them, the upper mounting plate c and the lower mounting plate d are respectively located on the upper and lower sides of the machining spindle, and the upper mounting plate c and the lower mounting plate d have opposite guide arc holes h, and the guide arc holes h and the screws i are one by one. Correspondingly, the screw i penetrates through the corresponding guide arc hole h to be fixedly connected with the machining spindle. When the screw is loosened, the screw is guided and matched with the guide arc hole to realize the rotation guidance of the machining spindle; when the screw is tightened, the rotation limit of the machining spindle is realized.

The first threaded rod f is connected with the machining spindle through a rotating pair, that is, hinged; the second threaded rod g is connected with the base a through a rotating pair, that is, hinged.

Loosen all the screws i and turn the adjusting tube, so that the first threaded rod f and the second threaded rod g are close to each other or away from each other, similar to the principle of movement of the turnbuckle bolts, so that the linkage machining spindle rotates to fit the bed frame, and the screws fit to the bed frame. Guide arc hole. When the machining spindle rotates to the target position, tighten the screw to fix the machining spindle. The adjusting pipe e is a hexagonal adjusting pipe, that is, the outer peripheral surface of the adjusting pipe is a hexagonal surface structure, which is convenient to rotate the adjusting pipe with a wrench or other workpiece, thereby adjusting the inclination of the machining spindle.

In addition, there are many guide arc holes h on the mounting plate in this embodiment, all of which are rotated along the machining spindle to match the motion trajectory distribution of the bed frame, which not only improves the rotational stability of the machining spindle, but also ensures the stability of the machining spindle fixation. .

In order to precisely adjust the inclination of the machining spindle, the spindle inclination adjustment mechanism of this embodiment further includes an encoder k, which is used to measure the rotation angle of the machining spindle. The encoder k is installed on the upper mounting plate c, and can also be installed on the lower mounting plate. on board d.

Since the position of the tool head of the machining spindle deviates from the corresponding station during the adjustment of the inclination angle of the machining spindle, it is necessary to readjust the machining spindle to correspond to the station. Therefore, the main shaft inclination adjustment mechanism of this embodiment also includes an upper pressure bar j, a lower pressure bar m and an adjusting rod n, the upper pressure bar j and the lower pressure bar m are installed parallel to the bed frame along the horizontal direction, and the base b is limited between the two pressure bars. And the base b can move along the extension direction of the bead, that is, the horizontal direction, and the adjusting rod n is fixedly connected with the base b to adjust the base b to move along the extension direction of the bead, so as to readjust the tool head of the machining spindle to the same level as the workpiece. Bit correspondence, in order to carry out the machining of oblique drilling.

In order to precisely adjust the tool head of the machining spindle to correspond to the working position, the spindle inclination adjustment mechanism of this embodiment further includes a linear displacement sensor p, which is connected to the base b through a rotating pair, that is, hinged. The linear displacement sensor p is used to precisely control the moving distance of the machining spindle along the extension direction of the bead.

Next, the processing of the gate valve will be described as an example.

The processing of the gate valve is roughly the same as the processing of the above-mentioned water meter case. The only difference is that the processing spindles corresponding to the seventh station and the fifth station during the processing of the water meter case are exchanged, that is, the two sides of the fifth station are equipped with For the processing spindle of the reamer, the seventh station is vacant, and the others are the same as the processing stations of the water meter case.

In addition, the machining spindles on both sides of the third station and the fifth station are equipped with a spindle inclination angle adjustment mechanism for machining oblique drilling. For the detailed structure of the main shaft inclination adjustment mechanism, reference may be made to the structure of the main shaft inclination adjustment mechanism, which will not be repeated here.

Embodiment 2:

The difference between the waterwheel composite water meter case and the gate valve special processing machine tool of the present embodiment and the first embodiment is:

A handle can be provided on the outer wall of the adjusting tube in this embodiment, and the adjusting tube can be rotated by the handle to facilitate the adjustment of the inclination of the main shaft.

For other structures, refer to Embodiment 1.

Embodiment three:

The difference between the waterwheel composite water meter case and the gate valve special processing machine tool of the present embodiment and the first embodiment is:

The number of working fixtures is not limited to eight, and can be adjusted according to the actual process, for example: six, nine, twelve and so on. Wide range of applications.

For other structures, refer to Embodiment 1.

The above is only a detailed description of the preferred embodiments and principles of the present invention. For those of ordinary skill in the art, according to the ideas provided by the present invention, there will be changes in the specific implementation, and these changes should also be It is regarded as the protection scope of the present invention.

Claims (10)

1. A processing machine tool special for a waterwheel combined type water meter shell and a gate valve comprises a bedstead, a rotary table and a plurality of processing main shafts, wherein the rotary table is arranged on the bedstead; the rotary table rotates along the vertical surface, a plurality of working clamps are uniformly distributed in the circumferential direction of the rotary table, and the working clamps are used for clamping workpieces to be machined; the processing main shafts are distributed along the circumferential direction of the rotary table and are used for processing workpieces to be processed on the working clamp; the turntable is linked with the working fixtures so that the working fixtures sequentially correspond to the processing spindles, and the processing finished product of the workpiece to be processed is a water meter shell or a gate valve and is provided with an inclined drilling hole; the main shaft inclination angle adjusting mechanism is arranged on the bedstead and used for adjusting the processing inclination angle of the processing main shaft.

2. The processing machine tool special for the waterwheel combined type water meter shell and the gate valve as claimed in claim 1, wherein the main shaft inclination angle adjusting mechanism comprises a base installed on the bed frame, two mounting plates installed on both sides of the base, an adjusting tube, and a first threaded rod and a second threaded rod respectively in threaded connection with both ends of the adjusting tube, the two mounting plates are respectively located on both sides of the processing main shaft, the two mounting plates are provided with opposite guiding arc-shaped holes, the guiding arc-shaped holes correspond to the screws one by one, and the screws penetrate through the corresponding guiding arc-shaped holes to be fixedly connected with the processing main shaft; the first threaded rod is connected with the processing main shaft through a revolute pair, and the second threaded rod is connected with the base through a revolute pair; and loosening the screw and rotating the adjusting pipe to enable the first threaded rod and the second threaded rod to be close to each other or be away from each other, so that the linkage processing main shaft is in rotating fit with the bed frame, and the screw is in movable fit with the guide arc-shaped hole.

3. The processing machine tool for the waterwheel combined type water meter shell and the gate valve as claimed in claim 2, wherein the plurality of guiding arc-shaped holes are distributed along the motion track of the processing spindle in a rotating manner and matched with the bed frame.

4. The machine tool of claim 2, wherein the spindle tilt adjustment mechanism further comprises an encoder for measuring a rotation angle of the machining spindle, the encoder being mounted on any one of the mounting plates.

5. The machine tool of claim 2 or 4, wherein the spindle tilt angle adjusting mechanism further comprises two pressing bars and an adjusting rod, the two pressing bars are horizontally and parallelly mounted on the bed frame, the base is limited between the two pressing bars and can move along the extending direction of the pressing bars, and the adjusting rod is fixedly connected with the base to adjust the base to move along the extending direction of the pressing bars.

6. The machine tool of claim 5, wherein the spindle tilt adjustment mechanism further comprises a linear displacement sensor, and the linear displacement sensor is connected to the base through a revolute pair.

7. The machine tool of claim 2, wherein the adjusting tube is a hexagonal adjusting tube.

8. The machine tool of claim 1, wherein the number of the work jigs is eight, and each work jig corresponds to one work station.

9. The processing machine tool special for the waterwheel combined type water meter shell and the gate valve as claimed in claim 8, wherein when the processed product is the water meter shell, the first station is a material loading position, the processing spindle with the forming cutter is arranged on the two sides and the top of the second station, the processing spindle with the drill bit is arranged on the two sides and the top of the third station, the processing spindle with the forming cutter is arranged on the top of the fourth station, the processing spindle with the outer edge groove cutter is arranged on the top of the fourth station, the fifth station is vacant, the processing spindle with the combination of the facing head and the thread cutter is arranged on the two sides and the top of the sixth station, the processing spindle with the reamer is arranged on the two sides of the seventh station, and the processing spindle with the drill bit is arranged on the top of the eighth station in sequence; and the processing main shafts on two sides of the third station and the processing main shafts on two sides of the seventh station are provided with main shaft inclination angle adjusting mechanisms.

10. The processing machine tool special for the waterwheel combined water meter shell and the gate valve as claimed in claim 8, wherein when the processed product is the gate valve, the first station is a loading position, the processing spindle with the forming cutter is arranged on the two sides and the top of the second station, the processing spindle with the drill bit is arranged on the two sides and the top of the third station, the processing spindle with the forming cutter is arranged on the top of the fourth station, the processing spindle with the outer edge groove cutter is arranged on the top of the fourth station, the processing spindle with the reamer is arranged on the two sides and the top of the fifth station, the processing spindle with the combination of the facing head and the thread cutter is arranged on the two sides and the top of the sixth station, the processing spindle with the drill bit is arranged on the top of the eighth station; and the processing main shafts on two sides of the third station are provided with main shaft inclination angle adjusting mechanisms.

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